CAJ | 학술논문

以实际焦化废水经A~2O工艺处理后的出水为研究对象,考察了Fenton试剂氧化法深度处理焦化废水的效果和影响因素.结果表明,Fenton试剂氧化法对焦化废水具有良好的深度处理效果,在进水COD为100～340 mg/L、色度为480～940倍的条件下,出水COD和色度等指标均可达到<城市污水再生利用工业用水水质>(GB/T 19923-2005)的要求.在试验条件下,最佳的反应参数:初始pH值为2.5,反应温度为40～50℃,Fe~(2+)投加量为0.4 mmol/L,反应时间为2～3 h,H_2O_2投加量为4～8 mmol/L.
이실제초화폐수경A~2O공예처리후적출수위연구대상,고찰료Fenton시제양화법심도처리초화폐수적효과화영향인소.결과표명,Fenton시제양화법대초화폐수구유량호적심도처리효과,재진수COD위100～340 mg/L、색도위480～940배적조건하,출수COD화색도등지표균가체도<성시오수재생이용공업용수수질>(GB/T 19923-2005)적요구.재시험조건하,최가적반응삼수:초시pH치위2.5,반응온도위40～50℃,Fe~(2+)투가량위0.4 mmol/L,반응시간위2～3 h,H_2O_2투가량위4～8 mmol/L.
Taking the actual coking wastewater treated by A~2O process as research object, the effi-ciency and influencing factors in advanced treatment of the coking wastewater by Fenton reagent oxidation process was investigated. The results show that the Fenton reagent oxidation process has high treatment efficiency of coking wastewater. When the influent COD is 100 to 340 mg/L, and color is 480 to 940 times, the effluent COD and color can reach the requirements of the Reuse of Urban Recycling Water --Water Quality Standard for Industrial Uses (GB/T 19923 -2005). The optimal operating conditions are as follows: initial pH is 2.5, reaction temperature is 40 to 50 ℃, Fe~(2+) dosage is 0.4 mmol/L, reaction time is 2 to 3 h, and H_2O_2 dosage is 4 to 8 mmol/L.